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Contract OI history

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Oct 23, 2026 EXPIRATION

BLK $1080.00 Call

BLK261023C01080000

Latest saved OI224Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLK $1080.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2261130 2026-10-02: 53 OI2026-10-05: 53 OI2026-10-06: 53 OI2026-10-07: 53 OI2026-10-08: 53 OI2026-10-09: 225 OI2026-10-13: 226 OI2026-10-14: 226 OI2026-10-15: 226 OI2026-10-16: 172 OI2026-10-21: 224 OI2026-10-23: 224 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BLK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2240
Oct 21, 2026224+52
Oct 16, 2026172-54
Oct 15, 20262260
Oct 14, 20262260
Oct 13, 2026226+1
Oct 09, 2026225+172
Oct 08, 2026530
Oct 07, 2026530
Oct 06, 2026530
Oct 05, 2026530
Oct 02, 202653No prior observation